.env.example

# Chatty Application Environment Configuration
# Copy this file to .env and fill in your actual values

# =============================================================================
# REQUIRED CONFIGURATION
# =============================================================================

# Flask Secret Key - MUST be changed in production
# Generate with: python -c "import secrets; print(secrets.token_hex(32))"
SECRET_KEY=your-secret-key-here-change-in-production

# MongoDB Connection
# For MongoDB Atlas, use the connection string from your cluster
MONGODB_URL=mongodb+srv://username:password@cluster.mongodb.net/?retryWrites=true&w=majority&appName=YourApp
MONGODB_DATABASE=Atlas

# =============================================================================
# ENVIRONMENT CONFIGURATION
# =============================================================================

# Application Environment (development, production, testing)
FLASK_ENV=development

# =============================================================================
# SECURITY CONFIGURATION
# =============================================================================

# Session Configuration
SESSION_LIFETIME_HOURS=24
SESSION_COOKIE_SECURE=false  # Set to true in production with HTTPS
CSRF_TIME_LIMIT=3600
WTF_CSRF_SSL_STRICT=false    # Set to true in production with HTTPS

# Rate Limiting
MAX_LOGIN_ATTEMPTS=5         # Maximum failed login attempts before rate limiting
RATE_LIMIT_WINDOW=900        # Rate limit window in seconds (15 minutes)

# =============================================================================
# API CONFIGURATION
# =============================================================================

# External API Settings
API_URL=https://findEthics-Atlas.hf.space/chat
API_TIMEOUT=30

# =============================================================================
# LOGGING CONFIGURATION
# =============================================================================

# Logging Level (DEBUG, INFO, WARNING, ERROR, CRITICAL)
LOG_LEVEL=INFO

# Log File (optional - if not set, logs to console)
# LOG_FILE=/var/log/chatty/app.log

# =============================================================================
# PRODUCTION-SPECIFIC CONFIGURATION
# =============================================================================

# Port for deployment (Hugging Face Spaces uses 7860)
PORT=7860

# SSL/TLS Configuration (for MongoDB compatibility)
OPENSSL_CONF=/dev/null

# =============================================================================
# TESTING CONFIGURATION
# =============================================================================

# Test Database (used when FLASK_ENV=testing)
TEST_MONGODB_DATABASE=Atlas_test